US2912793A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Nematode control by sulfur dioxide and ammonia
Assignee: Monsanto Chemicals Ltd
•
Filing: 1956-09-04
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Granted: 1959-11-17
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Expires: 1976-09-04
Abstract
No abstract record available.
Inventors
- 👤 Bobbie D Stone
- 👤 Seifter Eli
- 👤 Philip H Santmyer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 02:28
CPC Classifications
A; A01; A01N; A01N25/00; A01N59/00; A01N59/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
53 words
THE METHOD CONTROLLING NEMATODES COMPRISING INTRODUCING SULFUR DIOXIDE SUBSTANTIALLY BELOW THE SURFACE OF NEMATODE INFESTED SOIL, AND AFTER ALLOWING SUFFICIENT TIME FOR THE SULFUR DIOXIDE TO KILL THE NEMATODES RAISING THE PH OF THE SOIL TO SUBSTANTIAL NEUTRALITY BY THE ADDITION OF AMMONIA THERETO THEREBY MAKING THE SOIL READY FOR PLANTING A CROP.
Claim 2
Independent Claim
53 words
THE METHOD CONTROLLING NEMATODES COMPRISING INTRODUCING SULFUR DIOXIDE SUBSTANTIALLY BELOW THE SURFACE OF NEMATODE INFESTED SOIL, AND AFTER ALLOWING SUFFICIENT TIME FOR THE SULFUR DIOXIDE TO KILL THE NEMATODES RAISING THE PH OF THE SOIL TO SUBSTANTIAL NEUTRALITY BY THE ADDITION OF AMMONIA THERETO THEREBY MAKING THE SOIL READY FOR PLANTING A CROP.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-11-16 | 1963-05-18 | 1963-11-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-11-16 | 1967-05-18 | 1967-11-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-11-16 | 1971-05-18 | 1971-11-17 | $7700.00 | Window Closed / Lapsed |